Question about Mitsubishi VS-45605 50" Rear Projection Television
I have recently been having problems with the sound on my TV. There is a feedback type sound when watching the cable. It hums almost to the point that it drowns out the actual sound of the program. The problem doesn't exist when watching DVD's or anything else and I even unplugged everything but the cable. It only seems to be a problem when watching cable.
Using a cable box? Bypass it if you have one and see if the issue still exist.
Posted on Apr 05, 2007
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This sounds like your convergence correction amplifiers have malfunctioned. These Integrated Circuits often burn out after a few years (STK392-110) they can be replaced with a higher version (STK392-150) However it is important to have the biasing circuitry checked to make sure nothing has burnt out as a result of the ICs malfunctioning. If you have a background in electronics you can repair this problem with very little effort, however if you do not have a background in electronics, I would suggest that you have your TV serviced by a qualified TV technician.
I hope this helps,
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